AF-713 antifoam agents is a hydroxy compound. It has better acid and alkali resistance. The product has outstanding anti-foaming ability. anti foaming agent also has high temperature resistance and can withstand temperatures above 100 °C. It disperses easily in water. AF-713 can be used in the fermentation production process, industrial wastewater treatment, landfill leachate, industrial circulating water, and power plant desulfurization.